[wp-trac] [WordPress Trac] #30691: Removing a featured image does not remove the 'post_parent' value - reproducible

[WordPress Trac]

#30691: Removing a featured image does not remove the 'post_parent' value -
reproducible
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 Reporter:  juggledad     |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Media         |     Version:  4.0.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by SergeyBiryukov):

 Replying to [comment:3 juggledad]:
 > So this begs the question, if an featured image is added while editing
 the post and subsequently removed, is the image still a child of the post?

 Technically yes, it's a different kind of relationship. It might be
 confusing, but `post_parent` just means the image was initially uploaded
 for this particular post (as opposed to uploading via Media Library
 screen), and has nothing to do with setting or removing featured image.

 See #6820 for the ability to reattach an image to another post. There's
 also a [https://wordpress.org/plugins/unattach-and-re-attach-attachments/
 plugin] for that.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30691#comment:6>
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